he's on the phone with us from nashville. good to have you with us. first question for you, meningitis "b," this is a very unusual form of this disease, right? >> it is victor, yes. usually, when you see this kind of meningitis on a campus, it's meningitis "c." so this is very, very unusual. and of course, meningitis "b" is not in the vaccine that we currently use. that's why they have to go abroad to get a vaccine that has been used in europe and australia. >> so do we know why this thing is unusual? it has not affected the faculty at princeton. it seems it's only the college students that are becoming infected, do we know why? >> we don't, and isn't that curious, zoraida. and you know, this also a disease that occasionally occurs more frequently just in the state of oregon in the united states. and we've never understood that either. so, why this is occurring is not clear. but the trick that everybody's working on now, the cdc, the new jersey department of health, the folks at princeton, is how to stop it. how to prevent further cases. >> so, there'